Revision:1.0(2023-01-12)
398
1. The PC audio is abnormal.
2. The main board circuit for processing audio is abnormal.
Resolve Path
Replace the main board or PC module.
Solution
Replace the main board or PC module. For details, refer to 7.13.2 Disassembly and Assembly or
7.11.2
Disassembly and Assembly.
88..33..77..22 Only a single speaker is mute.
Fault Description
Only a single speaker is mute.
Involved FRU
Speaker
Severity
Maintenance as soon as possible
Handling Level
Contact the device provider for onsite handling.
Possible Cause
The speaker is faulty.
Resolve Path
Replace the speaker.
Solution
Replace the speaker. For details, refer to 7.3.2 Disassembly and Assembly.
88..33..77..33 The USB port failed to recognize the connected USB drive.
Fault Description
Diagnostic Ultrasound System
Service Manual
8 Troubleshooting